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Related Experiment Videos

BAliBASE (Benchmark Alignment dataBASE): enhancements for repeats, transmembrane sequences and circular permutations.

A Bahr1, J D Thompson, J C Thierry

  • 1Laboratoire de Biologie et Genomique Structurales, Institut de Génétique et de Biologie Moléculaire et Cellulaire, (CNRS/INSERM/ULP), BP 163, 67404 Illkirch Cedex, France.

Nucleic Acids Research
|January 11, 2000
PubMed
Summary

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BAliBASE 2.0 enhances sequence alignment evaluation with new reference sets for structural repeats, transmembrane, and circular permutations. This database aids in accurately aligning complex biological sequences.

Area of Science:

  • Bioinformatics
  • Computational Biology

Background:

  • Multiple sequence alignment (MSA) is crucial for understanding protein evolution and function.
  • Existing databases face challenges with highly variable, unequally distributed, or extended sequences.

Purpose of the Study:

  • To introduce BAliBASE version 2.0, an improved database for evaluating multiple sequence alignment methods.
  • To provide reference alignments for complex sequence features like structural repeats, transmembrane regions, and circular permutations.

Main Methods:

  • Manual construction of high-quality multiple sequence alignments based on 3D structural superpositions.
  • Inclusion of detailed annotations for each alignment.
  • Development of new reference sets addressing specific alignment challenges.

Related Experiment Videos

Main Results:

  • BAliBASE 2.0 offers expanded reference alignments for structural repeats, transmembrane sequences, and circular permutations.
  • The database facilitates the assessment of alignment accuracy for these challenging sequence types.

Conclusions:

  • BAliBASE 2.0 serves as a comprehensive resource for benchmarking multiple sequence alignment tools.
  • The enhanced database supports the accurate detection, prediction, and alignment of complex protein sequence features.